/* Keep native hidden semantics even where card/filter styles set display. */
[data-article-catalog] article[hidden],
[data-filter-controls][hidden],
[data-filter-empty][hidden] {
  display: none !important;
}

[data-filter-status] {
  margin: 0 0 20px;
  color: var(--muted, #5c6074);
  font-size: 14px;
  line-height: 1.6;
}

[data-filter-empty] {
  margin: 24px 0;
  padding: 24px;
  border: 1px solid var(--line, #e0e4f0);
  border-radius: 12px;
  background: var(--panel, #fff);
  color: var(--muted, #5c6074);
  line-height: 1.7;
}

.filter-btn:focus-visible {
  outline: 3px solid var(--accent, #1f3f77);
  outline-offset: 3px;
}

.publication-unavailable {
  display: inline-block;
  color: var(--muted, #5c6074);
  font-size: 13px;
  line-height: 1.5;
}